You need to load the library after you have installed the package. Only libraries in the base R installation load automatically. Thus every time you want to use contributed package XXX you need to issue the command library(XXX) or require(XXX)
So at the top of your program try library(lmtest) You should be good to go. Newbies often miss this step. Good luck with R John Kane Kingston ON Canada > -----Original Message----- > From: wegor...@gmail.com > Sent: Sat, 11 Apr 2015 19:39:41 +0200 > To: r-help@r-project.org > Subject: [R] Cannot run install binary package on Windows 8 > > Hi all, > > I am just starting with R and cannot use "lmtest" package on Windows 8. > This package contains dwtest function that I am interested in. > > I began with installing the core of R (with rgui) - version 3.1.3 64-bit. > > Then I installed lmtest package using GUI menu, but after success > message I cannot run dwtest() getting message that the it cannot find > the function. > > When I used installed.packages() function I saw lmtest on the list but > there was "yes" under the "NeedsCompilation" column. Does it mean I > need to compile the package in order to use it? > > I uninstalled lmtest and tried to put binary Windows version by > downloading zip file from here: > http://cran.r-project.org/web/packages/lmtest/index.html > > I took the file: > http://cran.r-project.org/bin/windows/contrib/3.1/lmtest_0.9-33.zip > > downloaded it and tried to use the function of installing from local zip > file. > > However the effect was the same: "NeedsCompilation" set to true, > dwtest does not work. > The package contains binary file for 64-bit (DLLs). > > What can I do in order to run this? > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ____________________________________________________________ FREE 3D EARTH SCREENSAVER - Watch the Earth right on your desktop! ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
